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<table width="100%" summary="page for telef"><tr><td>telef</td><td align="right">R Documentation</td></tr></table>

<h2>Number of International Calls from Belgium</h2>

<h3>Description</h3>


<p>Number of international calls from Belgium, taken from the Belgian
Statistical Survey, published by the Ministry of Economy.
</p>


<h3>Usage</h3>

<pre>data(telef)</pre>


<h3>Format</h3>


<p>A data frame with 24 observations on the following 2 variables.
</p>

<dl>
<dt><code>Calls</code></dt><dd><p>Number of Calls (in tens of millions) </p>
</dd>
<dt><code>Year</code></dt><dd><p>Year (1950 - 1973)</p>
</dd>
</dl>



<h3>Source</h3>


<p>P. J. Rousseeuw and A. M. Leroy (1987)
<EM>Robust Regression and Outlier Detection</EM>;
Wiley, page 26, table 2.
</p>


<h3>Examples</h3>

<pre>
data(telef)
summary(lm.telef &lt;- lm(Year~., data=telef))

</pre>


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